ALGEBRA AND LOGIC SEMINAR
at the
University of Saskatchewan

106 Wiggins Road
Saskatoon, SK, S7N 5E6, Canada
Phone: (306) 966-6081 - Fax: (306) 966-6086


PAST EVENTS 2000-2001

September and October 2000

Dr. Herve Perdry (Besancon, France):
Explicit Construction of the Henselization of a Valued Field

September 2000

Professor Niels Schwartz (Passau, Germany):
Real Closed Rings

Tuesday, September 26, 2000

Salma Kuhlmann:
Positivity, sums of squares and the multi-dimensional moment problem
(joint work with Murray Marshall)

Thursday, September 28, 2000, 2:30 pm

Professor Alexander Prestel (University of Konstanz, Germany):
Positive Polynomials over non-archimedean Fields


October, November, December 2000

Franz-Viktor Kuhlmann:
Valuations on Rational Function Fields

November 14, 15, 28 and 29, December 2000, January 15 and 17, 2001

Murray Marshall:
The role of positive primitive formulas in the theory of spaces of orderings

November 22, 2000

Professor Danielle Gondard (Universite Paris VI, France):
From Hilbert's 17th problem to valuation fans


January 8 and 10, and January 11, 2001

Dr. Jonathan Funk:
Inverse Semigroups and Order Etendue

January 22 and 24, 2001

F.-V. Kuhlmann:
Solving differential equations on spherically complete fields

January 29 and 31, February 2001

Petra Treibenreif, Trevor Green, Salma Kuhlmann, Murray Marshall:
a series of lectures on
Positive semidefinite polynomials, sums of squares and the Moment Problem


Friday, March 2, 2001, 10:30 am

Franz-Viktor Kuhlmann:
A theorem for maps on ultrametric spaces, and its applications

Monday, March 5, 2001, 10:30 am

Matthias Aschenbrenner, Urbana, Illinois, USA:
Asymptotic Couples, H-Fields and their Liouville Extensions, I

Thursday, March 8, 2001, 2:30 pm

Matthias Aschenbrenner:
Asymptotic Couples, H-Fields and their Liouville Extensions, II

Friday, March 9, 2001, 10:30 am

Matthias Aschenbrenner:
Asymptotic Couples, H-Fields and their Liouville Extensions, III

Monday, March 12, 2001, 10:30 am

Murray Marshall
The Moment Problem for non-compact semi-algebraic sets

Wednesday March 14, 2001, 10:30 am

Markus Schweighofer, Konstanz, Germany:
Extending Schmuedgen's Theorem to non-compact varieties, I

Friday March 16, 2001, 10:30 am

Markus Schweighofer:
Extending Schmuedgen's Theorem to non-compact varieties, II

Monday, March 19, 2001, 10:30 am

Jaka Cimpric, Ljubljana, Slowenia:
Artin-Schreier theory for semigroups

Tuesday, March 20, 2001, 1:00 pm

Claus Scheiderer, University of Duisburg, Germany:
The moment problem for non-compact semialgebraic sets, I

Wednesday, March 21, 2001, 10:30 am

Claus Scheiderer:
The moment problem for non-compact semialgebraic sets, II

Thursday, March 22, 2001, 2:30 pm

Victoria Powers, Emory University, Atlanta, USA:
Constructive approaches to Hilbert's Theorem on ternary quartics

Friday, March 23, 2001, 10:30 am

Alexander Prestel, Konstanz, Germany:
Representation theorems for `archimedian' rings

March 26 and 27, 2001

Salma Kuhlmann:
Exponential logarithmic power series fields


April and May 2001:

Salma Kuhlmann:
a series of lectures on
Lexicographic chains (convex embeddings)

Trevor Green:
a series of lectures on
Lexicographic chains (automorphism groups)


In the week of July 23 to 27, 2001, we had a series of lectures on the theory of Gröbner bases and its connection with valuation theory:

Monday, July 23, 2001, 10:30 am

Edward Mosteig (Tulane, New Orleans):
Term Orders and the Groebner Basics

Tuesday, July 24, 2001, 11:30 am

Edward Mosteig:
Constructing Well Ordered Valuations

Wednesday, July 25, 2001, 10:30 am

Edward Mosteig:
The Digging Lemma and Rank One Valuations

Thursday, July 26, 2001, 10:30 am

Edward Mosteig:
A Proof of the Reverse Well Orderedness of Valuations Coming From Series with Negative Support

Friday, July 27, 2001, 10:30 am

Edward Mosteig:
Ideal Bases and Valuation Rings


Algebra and Logic Seminar: Forthcoming Events

Algebra and Logic Seminar - Past Events:
2001-2002 + 2002-2003 + 2003-2004 + 2004-2005 + 2005-2006

Past talks of our algebra and logic group guests 1997 - 2001

Cryptography & Coding Theory Student Seminar

Centre for Algebra, Logic and Computation

The Valuation Theory Home Page


Last update: February 5, 2008 --------- created and maintained by Franz-Viktor Kuhlmann